nitrofurantoin - oral, Macrodantin (cont.)
PRECAUTIONS: Before taking nitrofurantoin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: little or no urine output (oliguria or anuria), severe kidney disease, certain genetic conditions (glucose-6-phosphate dehydrogenase deficiency), a history of liver problems due to nitrofurantoin use in the past.Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain blood disorders (e.g., anemia), kidney or liver problems, lung diseases, certain nerve problems (peripheral neuropathy), certain eye diseases (optic neuritis), diabetes, untreated mineral imbalance, vitamin B deficiency.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, older adults may be at a greater risk for side effects while using this drug, especially nerve, liver or lung problems (see Side Effects section).This medication should be used only when clearly needed during pregnancy. This medication should not be taken if you are at term (weeks 38-42 of pregnancy), near or at the time of delivery due to possible harm to the newborn, such as a certain blood problem (hemolytic anemia). Discuss the risks and benefits with your doctor.This medication passes into breast milk and may have undesirable effects on nursing infants less than one month old and infants with a certain genetic condition (G-6-PD deficiency). Consult your doctor before breast-feeding.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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